Product Details
Overview:
The 1785-L11B is a PLC-5/11 series processor from Allen-Bradley, designed for mid-range automation tasks. It provides network connectivity via the 1785-ENET module and supports flexible I/O expansion for industrial applications.
Technical Specifications:
-
Model: 1785-L11B
-
Series: PLC-5
-
Processor Type: PLC-5/11 Standard Processor
-
User Memory: 8 K words, battery-backed static RAM
-
EEPROM Backup: Supported with 1785-ME16, ME32, ME64, ME100
-
Protected Memory: No
-
Maximum Total I/O: 512 points (any mix) or 384 in + 384 out (complementary)
-
Maximum Analog I/O: 512 points
-
I/O Scan Time per Rack: 10 ms @ 57.6 kbps, 7 ms @ 115.2 kbps, 3 ms @ 230.4 kbps
-
Maximum I/O Chassis Total: 5
-
Maximum Extended Local I/O Chassis: 0
-
Maximum Universal Remote I/O Chassis: 4
-
Communication Ports: 1 RS-232-C / 422-A / 423-A
-
Expansion Ports: Control coprocessor expansion port
-
Weight: 3.00 lbs (1.36 kg)
-
Power Dissipation: 6.2 W
-
Input Voltage: Standard PLC-5 chassis supply
-
Enclosure: Rack-mounted, open-style (requires chassis)
Compatible Chassis:
-
1785-A4 / A4K
-
1785-A7 / A7K
-
1785-A10 / A10K
-
1785-A13 / A13K
-
1785-A17 / A17K (Series B)
Application Scenarios:
-
Mid-range automation tasks
-
Process monitoring and control
-
Legacy system integration
-
Networked I/O with 1785-ENET
FAQ:
-
Q: Can this processor support remote racks?
A: Yes, up to 4 universal remote racks are supported. -
Q: Is the user memory battery-backed?
A: Yes, 8 K words are battery-backed. -
Q: Does it support EEPROM backup?
A: Yes, compatible with 1785-ME16, ME32, ME64, ME100 modules.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.